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Finding the Fourth Proportional to 19,503.09, 26,914.16 and 10,550.57

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Solution

The fourth proportional to 19,503.09, 26,914.16 and 10,550.57 is: 14,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.09 : 26,914.16 = 10,550.57 : x
  2. Step 2: Convert to fraction form
    19,503.09/26,914.16 = 10,550.57/x
  3. Step 3: Cross multiply
    19,503.09x = 26,914.16 × 10,550.57
  4. Step 4: Simplify right side
    19,503.09x = 283,959,541.75
  5. Step 5: Solve for x
    x = 283,959,541.75/19,503.09
  6. Step 6: Final answer
    x = 14,559.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.